Sam Evans is a major character on Glee. He makes his first appearance as a new sophomore in Audition, the first episode of Season Two, and soon joins the New Directions. In Season Four, Sam starts dating Brittany, which leads to severe tension between him and Brittany's ex-girlfriend Santana. Brittany ultimately breaks up with him as she is about to leave high school. Around the same time, Sam befriends Blaine, whom he still is best friends with.

After graduating, Sam moves to New York to pursue a career in modelling. At the Big Apple he gets back together with Mercedes for a third time. However, even this relationship fails when Sam struggles to cope with Mercedes' celibacy vows. He moves back to Lima after a successful photo session in The Untitled Rachel Berry Project. He currently is the assistent football coach back at McKinley High.